The EcoTank all-in-one with revolutionary cartridge-free printing plus wireless capabilities.
The Expression ET-2550 EcoTank wireless all-in-one offers revolutionary cartridge-free printing with innovative, easy-to-fill supersized ink tanks. It includes up to 2 years of ink in the box. That’s an incredible amount of ink — enough to print up to 4,000 pages, and equivalent to about 20 ink cartridge sets. The ET-2550 delivers an unbeatable combination of value and convenience. Plus, save up to 80 percent on ink with low-cost replacement bottles. The ET-2550 features built-in wireless and easy printing from tablets and smartphones, plus a 1.44" color LCD, and PC-free photo printing with a built-in memory card slot.

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Highlights

A scanner's optical resolution is determined by how many pixels it can actually see. In a typical flatbed scanner it uses scanning head with 300 sensors per inch, so it can sample 300 dots per inch (dpi) in one direction.

Inkjet printers uses liquid ink sprayed through nozzles onto the paper, and laser printers use a toner cartridge (filled with fine powder) and a heated fuser for printing.Each technology has its own importance.

Inkjet Printer : In the inkjet printing technology, the print head has several tiny nozzles. The copy from an inkjet printer needs a little time to dry. Adequate drying time is especially important if the hard copy contains large sections of solid black or dark color.The advantage of using an inkjet printer is that they give an excellent color output.

Borderless printing is a printing technique that makes a printer print an image without any margin or other border. Borderless printing is mainly used for printing a photo without any border, printing an image which needs multiple pages of paper like billboard or big photo, or printing a full page template.

An ink tank system in printers continuously supplies ink to a comparatively small inkjet print head. It increases the print capacity. Ink in the tank will lasts for a long time and it is refillable. How long the ink will last depends on how heavy the usage of the printer is for the user. The general warranty that companies offer for the Ink Tank system is for a period of one year or in a range of 25000 to 30000 pages.

Bit depth is the scanner's ability to accurately analyze and reproduce the full color spectrum of the scanned information. This increased bit depth processing helps in improving the ability to obtain detail from the darker areas of an image.

48-bit internal, 24-bit external means that the scanner (48 bits - internal) performs the internal processing to select the best possible colors from the available shades or (palette) of colors and outputs only in 24-bit color (24 bits -external).

Apple Airprint: Apple Air-Print is a technology that helps printing without any software download, installing drivers and not even any cables to connect. You can just send whatever is on your computer or an iphone screen to a printer.Epson iPrint: Printer with Epson iPrint brings greater convenience by allowing you to print web pages, important documents and photos wirelessly from iOS™ and Android™ devices.Google Cloud Print: Print anything from any device to practically any location.
Google Cloud Print is a technology that make your printers available to you and anyone you want through web. Google Cloud Print makes it possible to send any document or image to a printer at one location (e.g printer at home) from a device/ phone/ computer at some other location (e.g. Document in the office PC).